Python 3 compatibility

test/mac/gyptest-copies.py

 #!/usr/bin/env python
 
 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 Verifies that 'copies' with app bundles are handled correctly.
 """
 
+from __future__ import print_function
+
 import TestGyp
 
 import os
 import sys
 import time
 
 if sys.platform == 'darwin':
-  print "This test is currently disabled: https://crbug.com/483696."
+  print("This test is currently disabled: https://crbug.com/483696.")
   sys.exit(0)
 
   test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode'])
 
   test.run_gyp('framework.gyp', chdir='framework')
 
   test.build('framework.gyp', 'copy_target', chdir='framework')
 
   # Check that the copy succeeded.
   test.built_file_must_exist(
@@ skipping 22 matching lines @@
     test.build('framework.gyp', 'copy_target', chdir='framework')
 
 
   # Check that actions ran.
   test.built_file_must_exist('action_file', chdir='framework')
 
   # Test that a copy with the "Code Sign on Copy" flag on succeeds.
   test.build('framework.gyp', 'copy_target_code_sign', chdir='framework')
 
   test.pass_test()